1. Department of Nutrition and Food Science; University of Ghana; Legon Ghana
2. School of Dietetics and Human Nutrition; McGill University; Montreal Canada
3. Department of Food Science and Human Nutrition; Iowa State University; Ames Iowa USA
4. Department of Sociology; Iowa State University; Ames Iowa USA
5. School of Public Health; Yale University; New Haven Connecticut USA
6. Nutrition Department; Noguchi Memorial Institute for Medical Research; Legon Ghana
7. Department of Anthropology; University of Toronto; Ontario Canada